1. Of the colour of slate or granite
   - slate-grey [Brit, Cdn], slate-gray [US], slaty-gray [US], slaty, slatey, stone-grey [Brit, Cdn], stone-gray [US]

See also: achromatic, neutral

• properly speaking
• properness
• propertied
• property
• property line
• property man
• property master
• property owner
• property right
• property settlement
• property tax
• property-owning
• propertyless
• prophase
• prophecy
• prophesier
• prophesy
• prophet
• prophetess
• prophetic
• prophetical
• prophetically
• Prophets
• prophylactic
• prophylactic device